Fairbank, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Fairbank, a city in Buchanan County, Iowa.
Today
77°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly cloudy. High near 77, with temperatures falling to around 75 in the afternoon. West wind 5 to 10 mph. Chance of precipitation is 50%.
7-day forecast for Fairbank
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 77°F | Chance Showers And Thunderstorms | 5 to 10 mph W | 52% |
| Tonight | 61°F | Showers And Thunderstorms Likely | 5 to 10 mph N | 72% |
| Wednesday | 72°F | Chance Showers And Thunderstorms | 5 mph N | 32% |
| Wednesday Night | 55°F | Slight Chance Rain Showers | 0 to 5 mph N | 19% |
| Thursday | 77°F | Sunny | 0 to 5 mph E | 3% |
| Thursday Night | 60°F | Mostly Clear | 5 mph SE | 1% |
| Friday | 81°F | Sunny | 5 to 10 mph S | 3% |
| Friday Night | 65°F | Mostly Clear | 5 to 10 mph S | 11% |
| Saturday | 84°F | Mostly Sunny | 5 to 10 mph S | 11% |
| Saturday Night | 69°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 10 to 15 mph S | 22% |
| Sunday | 85°F | Slight Chance Showers And Thunderstorms | 10 mph S | 22% |
| Sunday Night | 68°F | Chance Showers And Thunderstorms | 10 mph SE | 38% |
| Monday | 84°F | Chance Showers And Thunderstorms | 10 mph S | 38% |
| Monday Night | 68°F | Slight Chance Showers And Thunderstorms | 10 mph E | 37% |
Forecast source: National Weather Service (api.weather.gov) for Fairbank (42.640, -92.048). Updated through the day.
Growing snapshot for Fairbank
Last spring frost
Apr 30
First fall frost
Oct 9
Growing season
163 days
Hardiness zone
5a
More local growing data for Fairbank: nearby ZIP 50629 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Oelwein 2 S, Ia (8.1 mi from Fairbank). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.